Place the pressure gauge near the bottom of the tank. use the faucet and the drain to change water level, observe and record how the pressure gauge reading changes according to the water level qualitatively

True or false: the revolution of the earth creates day and night as it rotates around the sun

There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.

Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?